In mathematics, especially in topology, a pyknotic set is a sheaf of sets on the site of compact Hausdorff spaces. The notion was introduced by Barwick and Haine to provide a convenient setting for ...

Bonus Aug 03, 2007 Aug 06, 2007 Apr 30, 2007 Bonus Ratio: 1 share(s) for every 1 shares held Bonus Aug 06, 2004 Aug 09, 2004 Apr 24, 2004 Bonus Ratio: 1 share(s) for every 1 shares held Bonus Sep 17, ...

The IAEA's NUCLEUS information resource portal provides access to over 100 scientific, technical and regulatory resources, including databases, applications, publications and training material. As it ...

The nucleus is the double membrane limited structure within an eukaryotic cell that contains the chromosomes, and where the DNA is replicated or transcribed into RNA. The membrane is perforated by ...

The atomic nucleus is made up of protons and neutrons, particles that exist through the interaction of quarks bonded by gluons. It would seem, therefore, that it should not be difficult to ...

For many years, scientists believed that fundamental particles like protons and neutrons that form an atomic nucleus, can’t be divided further into smaller units. However, in the following years ...

The inset in panel C shows another representative image of a fragmented nucleus in an oligodendrocyte positive for caspase activation. Cell counts were conducted to quantify caspase activation (D ...

Earlier this month the Mathematics Institute at Uppsala University hosted a conference called Categorification in Algebra and Topology, clearly a theme close to our collective heart. As yet there are ...

This view of the atomic nucleus changed when James Chadwick discovered the existence of the neutron in 1932, for which he won the Nobel Prize three years later. Not too long afterward, scientists ...

This study presents important findings on long-lived proteins in the mouse ovary and oocytes. Convincing evidence using two-generation stable isotope-based metabolic labelling of mice in combination ...